Water temperature in Las Vegas in September

Is it warm enough to swim in Las Vegas in September? Average water temperature in Las Vegas in September is 13.6°C and therefore is not suitable for comfortable swimming. The warmest sea in Las Vegas in September is 17.7°C, and the coldest is 11°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Las Vegas

Changes water temperature in Las Vegas in September 2025, 2024

To get an accurate forecast for the water temperature in Las Vegas for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Las Vegas, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 September	13.1°C	11.5°C	11.5°C	14.5°C
2 September	12.9°C	11.4°C	11.1°C	14.4°C
3 September	12.8°C	11.8°C	11.2°C	14.6°C
4 September	12.8°C	12.6°C	11°C	14.7°C
5 September		12.6°C	11.2°C	15°C
6 September		12.5°C	11°C	15°C
7 September		12.7°C	11.2°C	15°C
8 September		13.3°C	11.6°C	15°C
9 September		13.3°C	11.8°C	16.3°C
10 September		13.5°C	12.3°C	15.6°C
11 September		13.5°C	12.3°C	15.7°C
12 September		13°C	12.2°C	15.6°C
13 September		12.4°C	12.1°C	16.4°C
14 September		12.9°C	12.1°C	16.5°C
15 September		13.2°C	12°C	16.2°C

Day	2024	Min	Max
16 September	13.6°C	12.4°C	16.2°C
17 September	13.5°C	12.1°C	16.1°C
18 September	13.2°C	11.7°C	15.7°C
19 September	13°C	12.1°C	15.5°C
20 September	14.2°C	12.1°C	17°C
21 September	14°C	12.1°C	15.7°C
22 September	13.9°C	11.9°C	17.2°C
23 September	14.5°C	11.8°C	17.7°C
24 September	13.6°C	11.8°C	17.5°C
25 September	13.2°C	11.5°C	16.7°C
26 September	14.4°C	12.2°C	16.9°C
27 September	14.9°C	12.3°C	16.2°C
28 September	15.3°C	13.2°C	15.7°C
29 September	17°C	12.9°C	17°C
30 September	17°C	13°C	17°C

Average water temperature in Las Vegas in September over a decade

2015	2016	2017	2018	2019
13.5°C	12.9°C	15.2°C	13.8°C	13.6°C

2020	2021	2022	2023	2024
12.8°C	14.1°C	13.6°C	13.5°C	13.5°C

Las Vegas sea state in September

Chart comparing the height of waves in Las Vegas in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Las Vegas water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Parque del Plata	13.6°C	11°C	17.7°C
Costa Azul	13.6°C	11°C	17.7°C
Costa de Oro	13.7°C	11.1°C	17.8°C
Cuchilla Alta	13.5°C	11°C	17.5°C
Ciudad de la Costa	13.7°C	11.1°C	18°C
Playa Pinar	13.7°C	11.1°C	18°C
Playa Verde	13.4°C	10.7°C	17.5°C
Canelones	13.8°C	11°C	18°C
Playa Hermosa	13.3°C	10.3°C	17.4°C
Piriapolis	13.3°C	10.3°C	17.4°C

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Our report for Las Vegas is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature